Marko Kreen <marko(at)l-t(dot)ee> writes:
> I assume 'RESET ALL' should clear the var, so it should be set
> in beginning each pooled connection use?
There is no such thing as "clear". RESET should re-establish whatever
value is defined in postgresql.conf or postmaster switches (or the
compiled-in default, failing any other source). I see no need for any
exceptions to that rule.
regards, tom lane